TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 18, 7:00 AM EST
Polymarket
This market refers to the doubles tennis match between Demanet/Ratiu and Betov/Hsu in the Liege, originally scheduled for July 11, 2026 at 7:00AM ET. This market will resolve to 'Demanet/Ratiu' if the team of Demanet/Ratiu advances against Betov/Hsu. This market will resolve to 'Betov/Hsu' if the team of Betov/Hsu advances against Demanet/Ratiu. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Demanet/Ratiu and Betov/Hsu in the Liege, originally scheduled for July 11, 2026 at 7:00AM ET. This market will resolve to 'Demanet/Ratiu' if the team of Demanet/Ratiu advances against Betov/Hsu. This market will resolve to 'Betov/Hsu' if the team of Betov/Hsu advances against Demanet/Ratiu. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance liability and extract a margin, while prediction markets aggregate trader beliefs through continuous price discovery. For this market, comparing the implied probability on Polymarket to major sportsbook lines can reveal whether professional bettors and retail traders disagree on the likely outcome. Prediction markets sometimes lead sportsbooks in pricing efficiency, especially when new information emerges close to match time.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief of all traders participating in the pool. As more capital flows into one outcome, its price rises and the competing outcome's price falls, creating a continuous equilibrium. Traders profit by buying undervalued shares and selling overvalued ones, which naturally drives prices toward fair value over time.
This market resolves around Jul 18, 2026, once the Demanet/Ratiu vs Betov/Hsu doubles match concludes and the result is verifiable from credible public sources. The outcome is determined by which team wins the match according to official tournament records. Traders holding shares in the winning outcome receive their payout, while shares in the losing outcome expire worthless. Resolution typically occurs within hours of the final point being played.
Several factors could shift prices in this market before Jul 18, 2026. Player injuries, withdrawals, or late lineup changes announced before the match would trigger sharp repricing. Betting action from professional syndicates or sudden volume spikes often signal new information entering the market. Recent form updates, head-to-head records, or court conditions specific to Liege could also influence trader positioning. News about player fitness or confidence in the days leading up to the event may prompt traders to adjust their positions, creating volatility in the odds.